Home / 7,018.18-9,684.20-4,033.60

Finding the Fourth Proportional to 7,018.18, 9,684.20 and 4,033.60

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Solution

The fourth proportional to 7,018.18, 9,684.20 and 4,033.60 is: 5,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.18 : 9,684.20 = 4,033.60 : x
  2. Step 2: Convert to fraction form
    7,018.18/9,684.20 = 4,033.60/x
  3. Step 3: Cross multiply
    7,018.18x = 9,684.20 × 4,033.60
  4. Step 4: Simplify right side
    7,018.18x = 39,062,189.12
  5. Step 5: Solve for x
    x = 39,062,189.12/7,018.18
  6. Step 6: Final answer
    x = 5,565.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.